* {
  margin: 0;
  padding: 0;
}
a,
li,
i,
s,
em {
  text-decoration: none;
  list-style: none;
  font-weight: normal;
  font-style: normal;
}
a {
  color: #333;
}
.conter {
  width: 1200px;
  margin: auto;
}
